Reservoir safety razor

Claim 1

IN A REPLACEABLE RESERVOIR SAFETY SHAVER, A SHAVING HEAD HAVING A TOP, A BOTTOM, AND A PLURALITY OF PAIRS OF OPPOSED SIDES BETWEEN THE TOP AND BOTTOM, THERE BEING A TRANSVERSE BORE IN SAID HEAD INTERMEDIATE THE TOP AND BOTTOM THEROF AND EXTENDING BETWEEN ONE OF THE PAIR OF OPPOSED SIDES OF SAID HEAD AND OPENING ONE OF THE PAIR OPPOSED SIDES, THE BOTTOM OF SAID HEAD BEING PROVIDED WITH A RECESS EXTENDING INWARDLY AND TERMINATING AT A POINT ADJACENT SAID BORE, THE BOTTOM OF SAID HEAD BEING PROVIDED WITH AN OUTLET PORT EXTENDING FROM THE TERMINATING POINT OF SAID RECESS AND OPENING INTO SAID BORE, SAID HEAD HAVING A PASSAGEWAY EXTENDING ALONG EACH OF THE OTHER PAIR OF OPPOSED SIDES OF SAID HEAD WITH ONE END OPENING INTO SAID BORE AND THE OTHER END OPENING OUT OF THE TOP OF SAID HEAD, AND A VALVE MEMBER MOUNTED IN SAID BORE FOR SLIDING MOVEMENT IN OPPOSITE DIRECTIONS, SAID VALVE MEMBER BEING PROVIDED WITH SPACED VERTICAL PASSAGES AND A HORIZONTAL GROOVE IN ASSOCIATION WITH EACH PASSAGE, SLIDING MOVEMENT OF SAID MEMBER IN ONE DIRECTION BRINGING ONE OF ITS PASSAGES INTO COMMUNICATION WITH SAID ONE END OF ONE OF SAID PASSAGEWAYS AND THE ASSOCIATED HORIZONTAL GROOVE AND SLIDING MOVEMENT IN THE OPPOSITE DIRECTION BRINGING THE OTHER OF ITS PASSAGES AND THE ASSOCIATED HORIZONTAL GROOVE INTO COMMUNICATION WITH SAID ONE END OF THE OTHER OF SAID PASSAGEWAYS.